Details on Acronym: UCAC | |
| UCAC | (USNO CCD Astrographic Catalog) (Not yet in Simbad) |
| Write: | <<UCAC NNNNNNNN>> |
| N: | About 40000000 |
| Object: | * (SIMBAD class: Star) |
| Note: | Astrometric survey, all Southern Hemisphere: - mostly stars 7.5 to 16.5 magnitude range - one spectral bandpass (around 610 nm) - high precision, 20 mas for stars to about 14 mag - direct link to Hipparcos stars - alternatively, strong link to ICRF sources with additional observations in parallel - project start: Jan 25, 1998 The stars in the catalog are ordered by declination. |
| Auth.: | ZACHARIAS N. |
| Origin | of the Acronym: p = Pre-registered to IAU Comm.5 |